Changing version to 3.0.0-SNAPSHOT

Change-Id: Iff0e25fd1e3928b182a21352c17685aea4034f4e
diff --git a/tools/package/archetypes/pom.xml b/tools/package/archetypes/pom.xml
index 552e9b2..7338544 100644
--- a/tools/package/archetypes/pom.xml
+++ b/tools/package/archetypes/pom.xml
@@ -28,7 +28,7 @@
 
     <groupId>org.onosproject</groupId>
     <artifactId>onos-archetypes</artifactId>
-    <version>2.8.0-SNAPSHOT</version>
+    <version>3.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <description>ONOS archetypes project</description>